Vehicle recall 91V205000 · November 22, 1991

1984-1986 Volvo B10M

The existing interlock air brake system must get its air supply directly from the parking brake air supply circuit.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary: The existing interlock air brake system must get its air supply directly from the parking brake air supply circuit. Should a component failure occur in the interlock air system, it will deplete the air supply from the parking brake circuit.
Consequence: Depletion of air supply from the parking brake circuitwould allow the bus to roll with the parking brake applied. This couldresult in a vehicle accident.
Remedy: Relocate the air supply line for the interlock system so that the air supply comes from the parking brake circuit to ensure that when the parking brake is applied, the parking brake cannot be disengaged or overridden by component failures.
Notes: System: brakes.vehicle description: 60 foot articulated buses.

Recall details

NHTSA campaign: 91V205000
Reported to NHTSA: November 22, 1991
Filed by: VOLVO GM HEAVY TRUCK CORP
Owner notification: October 23, 1991
Vehicles potentially affected: 171
Initiated by: the manufacturer
Components: Service brakes, air › Antilock

Recall 91V205000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Volvo B10M (1984-1986): 1986, 1985, 1984

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